restore and fix hash

Author: ywwg

pkg/schema/partition.go

@@ -108,9 +108,9 @@ func (m *MetricDefinition) PartitionID(method PartitionByMethod, partitions int3
 			partition = -partition
 		}
 	case PartitionBySeriesWithTags:
-		// h := xxhash.New()
-		// h.WriteString(m.NameWithTags())
-		// partition = jump.Hash(h.Sum64(), int(partitions))
+		h := xxhash.New()
+		h.Write([]byte(m.NameWithTags()))
+		partition = jump.Hash(h.Sum64(), int(partitions))
 	case PartitionBySeriesWithTagsFnv:
 		h := util.NewFnv32aStringWriter()
 		if len(m.nameWithTags) > 0 {